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    Analytical and Numerical Prediction of Springback of SS/Al-Alloy Cladded Sheet in V-Bending

    Source: Journal of Manufacturing Science and Engineering:;2020:;volume( 143 ):;issue: 003::page 031011-1
    Author:
    Sharma, Pankaj Kumar
    ,
    Gautam, Vijay
    ,
    Agrawal, Atul Kumar
    DOI: 10.1115/1.4048953
    Publisher: The American Society of Mechanical Engineers (ASME)
    Abstract: The present work deals with the development of an analytical model incorporating the effects of anisotropy and strain hardening to predict the springback in V-bending of two-ply sheet metal using a punch profile radius of 15 mm and included a bend angle of 90 deg. In the analytical model, the total bending moment is determined from resulting bending stresses for two different layers arranged in parallel planes one above the other and a new radius of curvature after springback is determined by applying a negative bending moment. The two-ply sheet composed of layers of AA1050 and SS430 is characterized for its tensile properties to be used in analytical and numerical models for prediction of springback. To study the effect of each layer during bending operation, two possible cases of sheet placements during bending and springback are studied; i.e., in the first case, the inner layer is of AA1050 while the SS430 layer is the outer layer whereas in the second case it is opposite. In all the cases of springback experiments when the outer layer is of SS430, the springback values are higher than the values obtained with the specimens when the inner layer is of SS430. This could be attributed to the higher tensile strength of the stainless steel layer and the higher bending radius experienced by it. The springback behaviors are also analyzed by simulations using Hill's anisotropic yield criterion in abaqus software. The springback results obtained by simulations and analytical models are in good agreement in general; however, in some cases, discrepancy of more than 15% is observed in the analytical results when compared with the experimental results.
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      Analytical and Numerical Prediction of Springback of SS/Al-Alloy Cladded Sheet in V-Bending

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    http://yetl.yabesh.ir/yetl1/handle/yetl/4276150
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    contributor authorSharma, Pankaj Kumar
    contributor authorGautam, Vijay
    contributor authorAgrawal, Atul Kumar
    date accessioned2022-02-05T21:41:35Z
    date available2022-02-05T21:41:35Z
    date copyright12/17/2020 12:00:00 AM
    date issued2020
    identifier issn1087-1357
    identifier othermanu_143_3_031011.pdf
    identifier urihttp://yetl.yabesh.ir/yetl1/handle/yetl/4276150
    description abstractThe present work deals with the development of an analytical model incorporating the effects of anisotropy and strain hardening to predict the springback in V-bending of two-ply sheet metal using a punch profile radius of 15 mm and included a bend angle of 90 deg. In the analytical model, the total bending moment is determined from resulting bending stresses for two different layers arranged in parallel planes one above the other and a new radius of curvature after springback is determined by applying a negative bending moment. The two-ply sheet composed of layers of AA1050 and SS430 is characterized for its tensile properties to be used in analytical and numerical models for prediction of springback. To study the effect of each layer during bending operation, two possible cases of sheet placements during bending and springback are studied; i.e., in the first case, the inner layer is of AA1050 while the SS430 layer is the outer layer whereas in the second case it is opposite. In all the cases of springback experiments when the outer layer is of SS430, the springback values are higher than the values obtained with the specimens when the inner layer is of SS430. This could be attributed to the higher tensile strength of the stainless steel layer and the higher bending radius experienced by it. The springback behaviors are also analyzed by simulations using Hill's anisotropic yield criterion in abaqus software. The springback results obtained by simulations and analytical models are in good agreement in general; however, in some cases, discrepancy of more than 15% is observed in the analytical results when compared with the experimental results.
    publisherThe American Society of Mechanical Engineers (ASME)
    titleAnalytical and Numerical Prediction of Springback of SS/Al-Alloy Cladded Sheet in V-Bending
    typeJournal Paper
    journal volume143
    journal issue3
    journal titleJournal of Manufacturing Science and Engineering
    identifier doi10.1115/1.4048953
    journal fristpage031011-1
    journal lastpage031011-11
    page11
    treeJournal of Manufacturing Science and Engineering:;2020:;volume( 143 ):;issue: 003
    contenttypeFulltext
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    DSpace software copyright © 2002-2015  DuraSpace
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